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Kilojoule to Kilocalorie

Convert Kilojoule to Kilocalorie and get the exact value instantly.

About this conversion

To convert Kilojoule to Kilocalorie, multiply the number of Kilojoule by 0.2390057361.

Energy shows up as joules, calories, kilowatt-hours or BTU depending on the field (nutrition, an electricity bill, heating or physics), so a conversion makes the numbers comparable.

Conversion table

Kilojoule (kJ)Kilocalorie (kcal)
1 kJ0.2390057361 kcal
2 kJ0.4780114723 kcal
5 kJ1.195028681 kcal
10 kJ2.390057361 kcal
100 kJ23.90057361 kcal

How to use this converter

  1. Enter your Kilojoule value

    Type any number into the Kilojoule field. It starts at 1 so you can read the rate straight away.

  2. Read the Kilocalorie result

    The amount in Kilocalorie updates as you type, so there is no button to press and nothing to wait for.

  3. Swap or keep exploring

    Use the swap control to flip the direction, or pick a related conversion from the list below.

Frequently asked

How many Kilocalorie are in one Kilojoule?
One Kilojoule equals 0.2390057361 kcal. Enter any amount above to get an exact figure for your own value.
Is this converter accurate?
Yes. It uses the exact international definition of each unit and computes on your device, so the only rounding is for display.
Do you upload the numbers I enter?
No. The Kilojoule to Kilocalorie conversion runs entirely in your browser tab, and nothing you type is sent to a server.
Does it work on my phone?
Yes. It runs in any modern mobile browser and keeps working offline once the page has loaded.

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